+++ /dev/null
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
- "http://www.w3.org/TR/html4/strict.dtd">
-<html>
- <head>
- <title>Perf Tests</title>
- <script type="text/javascript" src="../../../dojo/dojo.js" djConfig="isDebug:true"></script>
- <script type="text/javascript" src="lipsum.js"></script>
- <script type="text/javascript">
- dojo.addOnLoad(function(){
- dojo.byId("run").disabled="";
- dojo.connect(dojo.byId("run"),
- "onclick",
- function(evt) {
- setTimeout(function() {
- var words = parseInt(dojo.byId("numWords").value) || 10;
- var iters = parseInt(dojo.byId("numIters").value) || 1000;
- buildAndRunSet(words, iters);
- }, 0);
- });
- });
-
- function element(tag, textOrChild) {
- var e = document.createElement(tag);
- if(dojo.isArray(textOrChild)) dojo.forEach(textOrChild, function(c) { e.appendChild(c); });
- if(dojo.isString(textOrChild)) e.appendChild(document.createTextNode(textOrChild));
- else e.appendChild(textOrChild);
- return e;
- }
-
- function log(t) {
- dojo.byId("mess").innerHTML = t;
- }
-
- function reportRun(results){
- var runs = results.runs
- var report = element("dl",
- element("dt",
- "Run with " + results.words + " words, " +
- results.iterations + " iterations and overhead of " +
- results.overhead));
-
- runs.sort(function(a,b) { return a.time - b.time; });
- dojo.forEach(runs, function(r) {
- report.appendChild(element("dd", r.time + " - " + r.name));
- });
-
- dojo.body().appendChild(report);
- }
-
- function runTest(test, iterations, expected) {
- var i;
- if(expected != test()) throw new Error("Test failed expecting " + expected + ", got " + test());
- var start = new Date().getTime(), end;
- for(i=0; i < iterations; i++){
- test();
- }
- end = new Date().getTime();
- return end-start;
- }
-
- function runSet(set, iterations){
-
- var tests = set.tests.concat(); //copy tests
- var resultSet = {};
- resultSet.words = set.words.length;
- resultSet.overhead = runTest(function(){}, iterations);
- resultSet.iterations = iterations;
- var runs = [];
-
- function _run() {
- var t = tests.pop();
- try {
- log("Running " + t.name);
- if(t) runs.push({ name: t.name, time: runTest(t.test, iterations, set.expected)});
- } catch(e) {
- console.error("Error running " + t.name);
- console.error(e);
- }
- if(tests.length > 0) {
- setTimeout(_run, 0);
- }
- else {
- log("Done!");
- resultSet.runs = runs;
- reportRun(resultSet);
- }
- }
- setTimeout(_run, 0);
- }
-
- function buildTestSet(numWords) {
- var words = [], i, wordsInLipsum = lipsum.length;
- for(i = numWords; i > 0; i-=wordsInLipsum) {
- if(i >= wordsInLipsum) { words = words.concat(lipsum); }
- else { words = words.concat(lipsum.slice(-i)); }
- }
- if(words.length != numWords) throw new Error("wrong number of words, got " + words.length + ", expected " + numWords);
-
- var expected = words.join("");
-
- //console.log(words);
-
- return {
- tests: [
- {
- name: "dojoForEach",
- test: function() {
- var s = "";
- dojo.forEach(words, function(w) { s+=w; });
- return s;
- }
- },
- {
- name: "nativeForEach",
- test: function() {
- var s = "";
- words.forEach(function(w) { s += w; });
- return s;
- }
- },
- {
- name: "forLoop",
- test: function() {
- var s="",w=words; l=w.length;
- for(var i = 0; i < l; i++) {
- s += w[i];
- }
- return s;
- }
- },
- {
- name: "forLoopCallingInlineFunction",
- test: function() {
- var s="",w=words; l=w.length;
- function fn(w) { s += w; };
- for(var i = 0; i < l; i++) {
- fn(w[i]);
- }
- return s;
- }
- },
- {
- name: "forLoopCallingExternalFunction",
- test: function() {
- g_s="",w=words; l=w.length;
- for(var i = 0; i < l; i++) {
- externalAppend(w[i]);
- }
- return g_s;
- }
- },
- {
- name: "forLoopWithInCheck",
- test: function() {
- var s="",w=words; l=w.length;
- for(var i = 0; i < l; i++) {
- if(i in w) s += w[i];
- }
- return s;
- }
- },
- {
- name: "emptyFor",
- test: function() {
- var w = words; l = w.length;
- for(var i = 0; i < l; i++) empty(w[i]);
- return expected;
- }
- },
- {
- name: "emptyForEach",
- test: function() {
- dojo.forEach(words, empty);
- return expected;
- }
- } ,
- {
- name: "identFor",
- test: function() {
- var w = words; l = w.length;
- for(var i = 0; i < l; i++) ident(w[i]);
- return expected;
- }
- },
- {
- name: "identForEach",
- test: function() {
- dojo.forEach(words, ident);
- return expected;
- }
- },
- {
- name: "addUsingFor",
- test: function() {
- var x=0;
- for(var i=0;i<1000;i++){x=x+a[i];}
- return expected; // fake
- }
- },
- {
- name: "addUsingForEach",
- test: function() {
- var x=0;
- dojo.forEach(a, function(v,i){x=x+a[i];});
- return expected; // fake
- }
- }
- ],
- words: words,
- expected: expected
- };
- }
-
- function buildAndRunSet(words, times) {
- runSet(buildTestSet(words), times);
- }
-
- function ident(w) { return w; }
- function empty() { }
-
- var g_s = "";
- function externalAppend(w){ g_s += w; }
-
- var a = new Array(1000);
- for(var i=0; i<1000;i++){a[i]=i;}
-
- </script>
- <style type="text/css">
- html {
- font-family: Lucida Grande, Tahoma;
- }
- div { margin-bottom: 1em; }
- #results {
- border: 1px solid #999;
- border-collapse: collapse;
- }
- #results caption {
- font-size: medium;
- font-weight: bold;
- }
- #results td, #results th {
- text-align: right;
- width: 10em;
- font-size: small;
- white-space: nowrap;
- }
- #wordsCol { background: yellow; }
- td.max { color: red; font-weight: bold; }
- td.min { color: green; font-weight: bold; }
- </style>
- </head>
- <body>
- <table>
- <tr><td><label for="numWords">Words</label></td><td><input type="text" id="numWords" value="100"/></td></tr>
- <tr><td><label for="numIters">Iterations</label></td><td><input type="text" id="numIters" value="1000"/></td></tr>
- <tr><td></td><td><button id="run" disabled>Run Tests!</button></td></tr>
- </table>
- <div id="mess"></div>
- </body>
-</html>
projects / eow / blobdiff